Finding the Third Proportional to 554,184 and 859,788

Step by Step Solution

1. Step 1: Write the proportion equation
   554,184 : 859,788 = 859,788 : x
2. Step 2: Convert to fraction form
   554,184/859,788 = 859,788/x
3. Step 3: Cross multiply
   554,184x = 859,788 × 859,788
4. Step 4: Simplify right side
   554,184x = 739,235,404,944
5. Step 5: Solve for x
   x = 739,235,404,944/554,184
6. Step 6: Final answer
   x = 1,333,916.90